Liquid-soap dispenser.



A. W. LAWNm. LIQUID SOAP DISPENSER.

APPLICATION FILED 0UT. 3, 1913,.

1,103,521 Patented July 14,1914,

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ALBERT W. LAWNIN, OF ST. LOUIS, MISSOURI, ASSIGNOR OF ONE-HALF T'O LOUIS W. LAWNIN, OF EDWARDSVILLE, ILLINOIS.

LIQUID-SOAP DISPENSER.

Specification of Letters Patent.

Patented July 14, 1914.

Application filed October 3, 1913. Serial No. 793,141.

To all whom it may concern:

Be it known that I, ALBERT W. LAWNIN, a citizen of the United States of America, and a resident of the city of St. Louis and State of Missouri, have invented certain new and useful Improvements in Liquid-Soap Dispensers, of which the following is a full, clear, and exact description, reference being had to the accompanying drawings, forming a part of this specification.

My invention relates to a liquid soap dispenser, comprising an air tight reservoir, and a valve by which liquid soap may be drawn in measured quantities from said reservoir, the said valve providing for the admission of air into the air tight reservoir at each soap dispensing operation.

Figure I is a view, partly in elevation, and partly in vertical section, of the lower end of my soap dispenser. Fig. II is a bottom view of the discharge members of my dispenser. Fig. III is an enlarged section through the discharge members. Fig. IV is a view of the valve washer. cross section taken on line VV, Fig. I.

In the drawings: 1 designates the reservoir of my soap dispenser. At the lower end of said reservoir is a discharge nozzle arranged at an angle to the vertical axis of The discharge nozzle comprises neck 2, which merges into a valve housing 4, and a spout 3 extending from said valve housing in alinentent with said neck 2. The duct in the neck 2 and the duct in the spout 3 are both of vertically elongated shape, as seen most clearly in Fig. V, the elongation of these ductsbein continued throughout the lengths of the ucts for a purpose to be hereinafter explained.

Within the valve housing 4, interposed between the spout 3 and neck 2 of the discharge nozzle, is an annular valve seat 5, which receives the body 6 of a dispensing plug valve, by which the contents of the reservoir 1 1S dispensed, and air is admitted to the air tight reservoir to overcome the presence of a vacuum therein. The dispensing valve is provided with a handle 7, by which it is operated, and in the body of the valve are pockets 8 which, upon the operation of the valve, are brought consecutively into registration with the elongated duct in the neck 2 and in the spout 3. The ocketsS are elongated vertically or longitudinally of the valve body 6, and each pocket is of a Fig. V is a the valve seat 5 provided therefor, the

'washer containing a key hole slot 12, in

which the grooved extension of the valve is seated, and being provided with tongues 11, which rest against the lower face of the spout 2 around the valve seat 5.

In the practical use of my soap dispenser, the operation is as follows: Air enters the duct in the spout 3 of the discharge nozzle and when any pocket 8 in the dispensing valve is brought into registration with the duct in said spout, said pocket is filled with air, and upon the dispensing valve being rotated in the valve seat 5 provided therefor, the air in the pocket becomes confined therein between the walls of the pocket and the wall of said valve seat. This air is carried in the pocket until the pocket is brought into registration with the vertically elongated duct. in the neck leading from the reservoir 1, when the air escapes from the pocket at the upper end of the latter and passes into the duct at the top of the liquid contents therein, and from said duct to the body of the reservoir, rising eventually to the surface of the liquid contents of the reservoir. The air thus' admitted overcomes any tendency to the existence of a vacuum in the reservoir 1 and the neck 2 of the discharge nozzle, and the liquid contents in said duct enters into the pocket in'registration with said duct whereby the latter is supplied with contents ready to be delivered to the spout. 3. A further operation of the dispensing valve to the necessary degree causes the pocketsupplied with liquid contents to be brought into registration with the vertically elongated duct in the spout 3 of the discharge nozzle, in order that said liquid contents may be discharged into and through the spout. Immediately upon the pocket being brought into such registration, the liquid contents of the pocket commences to flow from the pocket by moving downwardly therein and toward the bottom wall of the duct in the spent, and the flow of the liquid in this direction leaves the upper portion of the vertically elongated duct in the spout occupied only by air and, as a consequence,- the air therein and air entering the spout to a further degree is permitted to press against the escaping liquid, with the result that such liquid is quickly and positively emptied from the dispensing pocket and from the duct in the discharge spout.

My dispenser is constructed in the manner described to render it efficient in dispensing liquid soap, or other liquids, from which bubbles are formed when air is brought into contact therewith, and one of the main advantages in the elongated ducts in the neck 2 and discharge spout 3 and the elongated pockets in the dispensing valve of my dispenser lies in the fact that by the production of the elongated passageways and elongated receptacles in the valve, I eliminate possibility of interference with the flow of the liquid, due to the presence of bubbles. It will be apparent that in the event that bubbles should be formed, either in the duct in the neck 2 or in or at the end of the duct in the spout 3, these bubbles being of globular form cannot, within their radius, wholly obstruct the vertically elongated duct in which they. are located, or which they span; and, consequently, air may readily pass them to perform its function in providing for the desired flow of liquid through the duct partially obstructed by the bubble.

\Vhile I have described my dispenser as being used particularly for dispensing liquid soap it is obvious it might be employed for dispensing other liquids. I, therefore, do not limit myself to the use of my dispenser for dispensing liquid soap.

I claim 1. A liquid dispenser comprising a reservoir provided with a discharge nozzle at its lower end arranged at an angle to the vertical axis of the reservoir; the said nozzle including a neck adjacent the reservoir having a duct therein elongated vertically throughout the length of the neck, a valve housing adjoining said neck, and a spout adjoining said valve housing havin a duct therein elongated vertically throughout the length of the spout; and a pocket valve in said valve housing.

2. A liquid dispenser comprising a reservoir provided with a discharge nozzle at its lower end arranged at an angle to the vertical axis of the reservoir; the said nozzle including a neck adjacent the reservoir having a duct therein elongated vertically throughout the length of the neck, a valve housing adjoining said neck, a spout adjoining said valve housing having a duct therein elongated vertically throughout the length of the spout; and a dispensing valve in said valve housing having a vertically elongated pocket for registration with the vertically elongated duct insaid neck and spout.

ALBERT WV. LAlVNIN.

In the presence of E. K. CLARK, E. B. LINN. 

